
NOSA Smell Training
Train when you want, where you want.
NOSA Smell Training is a clinically proven smell training kit, designed to help improve the sense of smell in people aged 12 and over with hyposmia, anosmia or parosmia after a respiratory viral infection.
Around 20% of the world’s population experience some form of smell impairment.¹ NOSA Smell Training gives you everything you need for structured smell training, designed to help you regain your sense of smell through the association of scents.
The product is developed together with leading olfactory scientists at Karolinska Institutet.







Smell training whenever you want, wherever you are
With scented nasal plugs, you can do your sessions when and where you like – a modern alternative to traditional smell training with jars or essential oils. In the clinical study, more participants completed the program with NOSA Smell Training than with standard care, giving more people the chance to improve their sense of smell.

Increase quality of life
NOSA Smell training helps individuals to improve their sense of smell, and therefore to increase quality of life. The training program is developed together with one of the world’s leading scientists within smell.
- Short training time
- Fast results
- Clinically proven
- Passive smell training
- Interactive app

Learn more
See answers to frequently asked questions regarding NOSA Smell Training
Clinical study
Clinical trial on NOSA smell training
In an independent, randomized clinical study, Karolinska Institutet, Lund University and partners showed that NOSA Smell Training improved the sense of smell in people with hyposmia to a similar degree as standard smell training – with significantly higher adherence, fewer dropouts and greater participant satisfaction. Higher adherence means more people can complete their training and get the chance to benefit.⁴

More than 93% adherence to NOSA smell training
More people prefer smell training with NOSA Smell Training
Easier to use and fewer missed training sessions
Johan Lundström – professor at Karolinska Institutet and principal investigator of the study.
The app
The NOSA Smell Training app
NOSA has developed an app that will help you keep track of your training by:
Scheduling and Reminders: Provide users with a structured calendar to organize their smell training sessions and offer reminders, fostering a consistent routine.
Visualization: Utilize images to bolster the user’s experience and engagement during the training sessions.
Feedback: Allow users to document subjective feedback on their sense of smell, quality of life, and progress over time for personal reflection and self-awareness.
This application is intended for well-being and lifestyle purposes only. Users should not replace or substitute professional medical advice or treatment with the insights gathered by the use of this app.
Disclaimer: The primary objective of NOSA smell training app is to promote well-being and personal awareness of one’s olfactory senses. It is not designed, nor should it be used, for the diagnosis, prevention, monitoring, treatment, or alleviation of any medical condition or disease. In alignment with MDR EU 2017/745.
Knowledge
All knowledge
Sense of smellSmell, also known as olfaction, is how we perceive different scents or odors. It helps us detect tempting foods, recognize dangers, and even plays a big part in how we taste things.Read the article
Loss of smellLoss of smell is a medical term that describes the loss of the sense of smell.Read the article
Smell trainingSmell training is built on the interesting idea of neuroplasticity, where the brain can rearrange itself by forming new connections.Read the article Improving quality of life – one breath at a time
NOSA offers products designed to make people live their lives to the fullest through intra-nasal innovation.
See our entire product line here

